$78 for the full size Details WHAT IT IS Chantecaille's Longest Lash Mascara fuses the newest lash-growth peptide technology with the original, sought-after Faux Cils formula. 0.32 oz. Made in Italy. WHAT IT DOES Lashes get a boost with Chantecaille's unique SymPeptide 17, stimulating keratin genes and encouraging the strength and length of your natural lashes - without irritation or discoloration. After two weeks use, in-vivo clinical tests reveal longer and thicker lashes by 25 percent. These extraordinary results are achieved by simply applying the mascara to eye lashes, daily.